SINAIRSOFT MA Full Steel Or Half 14 Teeth Aluminum Piston for Airsoft AEG Ver. 2/3 Gearbox

Item NO : SA0101
Feature：
Brand：SHS
Option：SHS 14 Full Teeth Steel OR SHS 14 Half Steel Teeth
Colour:Blue / Red
Essential part for upgrading your Airsoft AEG
14 Full Teeth Design for High Straight Gear Set
Compatible with all AEG
Suitable for mainstream high-speed tune-up and has excellent operational characteristics
The Grease grooves cut on the rail-guides keep it lubricated
Reinforced piston provide extra duration during rapid & prolonged firing